Type *#61# and press call - Check callredirection status. Cancel all redirections: ##002# *43# to activate call waiting, to deactivate#43#. If your phone doesn't have incoming callbarring and outgoing call barring, you can trythis. For outgoing call barring dial*33*barcode*# and pres OK. To deactivateit dial #33#barcode*#. On any phone on any network type in **43#to enable conference calls. You can make upto 7 calls at once If you need to block SMS reception (if you arespammed by someone) just press this code:*35*xxxx*16# xxxx is your Call Barring code(default is 0000). To remove this barringtype: #35*xxxx# If you want to hide/show your phone numberwhen calling, put one of these codes below infront of the number that you are going tocall. (*#30# / *#31# or *31# / #31# ) Workson some networks. Typing *0# or *nm# on the beginning of a txtmessage gives you detailed delivery report onsome networks.. But turn off reports inmessage settings before. When the sim card-pin blocked type**042*pin2 old*newpin2*newpin2*Important: If you know any other tips & tricks & secretsabout GSM mobile or any other mobile which isnot listed here then you can post inGuestbook and it will be updated soon withyour name.Warning: You can try these codes at your ownresponsibility ! We are not responsible for anymalfunction and we don't accept anycomplaints.

working Many people search for free Airtel message center number to start sending unlimited messages without paying for them. Well,previously many websites made posts onthese free message center numbers, but afterthe frequent use of the number, Airtel cappedor filtered those numbers from further use. Butstill there are few working message center numbers and here I am going to reveal that with you. Note that Airtel might ban this number anytime, so be fast in using this and send free sms to anyone from your Airtel mobile number. How to send unlimited free SMS using freeSMS center no hack 1. Navigate to Messages option on your mobile and click on Settings 2. Click on Message Center Number and proceed to add a new message center number. 3. In Message Center Name field, write anything. For an example, “Solid Blogger”. 4. In the Message Center Number field, write +919810051905 5. Choose Preferred Connection Type as Packet Data 6. Save the message center and activate it from the options. Now we have configured the message settingsto send and receive all message through ananother message center number. But since wehave selected Packet data as connection type, we have to do some additional settings on ourphone. 1. Go to your phone menu and navigate to Settings >> Phone Settings >> Connection >> Packet Data 2. In the settings of packet Data, edit thefollowing options 3. Packet Data Connection >> When available and Access Point >> Airtel Live 4. Save all settings and you are done. Note : Here we are using a CDMA message center number to send free messages from Airtel mobile. Since CDMA networks don’t support 91 as the country code, you have to add 0 before every number. This is very important and if you make mistake here, thistrick will not work. Example : Suppose you want to send free messages to 9861098610, now while composing the SMS, type this number as 09861098610 in stead of 919861098610 or +919861098610. And also, message center number settingsoption may vary from phone to phone. Theabove steps are mentioned for Nokia mobilephones. If you want to try sending free SMS from any other handset, use your mobilemanual and set the new message centernumber accordingly.